Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1982-07-26
1984-01-17
Andrews, M. J.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
266225, 266235, 75 68R, C22B 900
Patent
active
044260687
ABSTRACT:
The invention relates to a rotary gas dispersion device for the treatment of a bath of liquid metal such as aluminum and its alloys, comprising a cylindrical rotor equipped with blades immersed in the bath, connected to a hollow control shaft for the supply of gas, and is characterized in that the rotor is pierced by oblique ducts coupled to radial ducts in which the metal and the gas circulate respectively before being mixed at the point where these ducts join up, emerging in the bath so as to form a fine dispersion which is then distributed in the said bath by means of blades.
REFERENCES:
patent: 3792848 (1974-02-01), Ostberg
patent: 4040610 (1977-08-01), Szckely
patent: 4178175 (1979-12-01), Narita
Gimond Jacques
Gonda Richard
Hicter Jean-Marie
Laty Pierre
Andrews M. J.
Societe de Vente de l'Aluminium Pechiney
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